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https://www.readbyqxmd.com/read/29684945/-it-s-going-to-be-extra-fun-analysis-of-an-atypical-case-of-teen-homicide-as-leisure-behavior
#1
D J Williams, Jolene Vincent
Recently, scholars in literary criminology and leisure sciences have begun to explore the role of broader leisure culture in potentially shaping fantasy development, planning, preparation, and execution in specific cases of expressive homicide. This brief report focuses on an unusual case of expressive homicide, wherein two teen offenders in Idaho collaborated to murder a female classmate as an intentional leisure activity. Prior to the murder, the offenders created a videotape describing how they planned to commit this (and additional) murders...
April 23, 2018: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/29684891/considering-high-alcohol-and-violence-neighborhood-context-using-daily-diaries-and-gps-a-pilot-study-among-people-living-with-hiv
#2
Katherine P Theall, Erica Felker-Kantor, Maeve Wallace, Xiao Zhang, Christopher N Morrison, Douglas J Wiebe
Our understanding of how community-level context impacts care of persons living with HIV (PLWH), including antiretroviral therapy (ART) adherence and retention in care, is limited. The objective of this study was to characterize the activity spaces of PLWH from an urban area in Southeastern U.S., where the epidemic is among the nation's highest, and to examine how such activity spaces are associated with daily mood and health behaviors. In this small, pilot study, 11 participants were tracked with a global positioning system (GPS)-enabled application on their smartphones for 2 weeks...
April 10, 2018: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29684890/feasibility-of-ecological-momentary-assessment-to-study-mood-and-risk-behavior-among-young-people-who-inject-drugs
#3
Mary E Mackesy-Amiti, Basmattee Boodram
AIMS: To test the acceptability and feasibility of ecological momentary assessment (EMA) of mood and injection risk behavior among young people who inject drugs (PWID), using mobile phones. METHODS: Participants were 185 PWID age 18-35 recruited from two sites of a large syringe service program in Chicago. After completing a baseline interview, participants used a mobile phone app to respond to momentary surveys on mood, substance use, and injection risk behavior for 15 days...
April 16, 2018: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29684883/cadmium-stabilization-via-silicates-formation-efficiency-reaction-routes-and-leaching-behavior-of-products
#4
Minhua Su, Jinfeng Tang, Changzhong Liao, Lingjun Kong, Tangfu Xiao, Kaimin Shih, Gang Song, Diyun Chen, Hongguo Zhang
Stabilizing cadmium by incorporating it into crystalline products is an effective approach to detoxify cadmium-containing wastes. In this study, two Si-rich matrices in amorphous and crystalline forms (i.e., silica fume and α-quartz, respectively) were employed to incorporate Cd. The processing parameters, namely the type of Si-rich matrix, Cd/Si molar ratio (Г) and sintering temperature, were thoroughly investigated using quantitative X-ray diffraction technique. Cd incorporation was more energetically favored when silica fume was used rather than when α-quartz was used because of the lower Gibbs free energy of formation for silica fume...
April 20, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29684870/thermal-oxidative-degradation-kinetics-of-agricultural-residues-using-distributed-activation-energy-model-and-global-kinetic-model
#5
Xiu'e Ren, Jianbiao Chen, Gang Li, Yanhong Wang, Xuemei Lang, Shuanshi Fan
The study concerned the thermal oxidative degradation kinetics of agricultural residues, peanut shell (PS) and sunflower shell (SS). The thermal behaviors were evaluated via thermogravimetric analysis and the kinetic parameters were determined by using distributed activation energy model (DAEM) and global kinetic model (GKM). Results showed that thermal oxidative decomposition of two samples processed in three zones; the ignition, burnout, and comprehensive combustibility between two agricultural residues were of great difference; and the combustion performance could be improved by boosting heating rate...
April 14, 2018: Bioresource Technology
https://www.readbyqxmd.com/read/29684863/psychological-and-genetic-risk-factors-associated-with-suicidal-behavior-in-korean-patients-with-mood-disorders
#6
Hee-Yeon Choi, Ga Eun Kim, Kyoung Ae Kong, Yu Jin Lee, Weon-Jeong Lim, So-Hyun Park, Su Hee Ha, Soo In Kim
INTRODUCTION: To prevent suicide, a nationwide important issue in Korea, understanding its etiology is essential. This study aimed to delineate the risk factors for suicidal behavior in mood disorder patients in Korea. METHODS: 216 patients with mood disorders were recruited. We measured suicidal ideation (SI) and suicide attempt (SA) history and the association of six gene polymorphisms with SB: COMT (rs4680), HTR1A (rs6295), TPH1 (rs1800532), BDNF (rs6265), SLC1A3 (rs2269272), and SLC1A2 (rs4755404)...
April 10, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29684856/cerium-oxide-nanoparticles-in-pursuit-of-liver-protection-against-doxorubicin-induced-injury-in-rats
#7
Heba G Ibrahim, Noha Attia, Fatma El Zahraa A Hashem, Moushira A R El Heneidy
Doxorubicin (DOX) is considered as a backbone in several chemotherapeutic regimens. Nevertheless, the reported systemic toxicity usually hampers its broad application. Interestingly, Cerium oxide nanoparticles (CeONPs) depicted promising regenerative antioxidant and hepatoprotective potentials against multiple oxidative stress-induced pathologies. Thus, the aim of the present study was to determine either CeONPs would display hepatoprotective properties once concomitantly administered with DOX or not. Male Sprague Dawley rats were divided into four groups (n = 10) in a two weeks study: Control (received saline, IP injection thrice a week), CeO (0...
April 20, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29684811/behavioral-semiochemical-and-androgen-responses-by-male-giant-pandas-to-the-olfactory-sexual-receptivity-cues-of-females
#8
Abbey E Wilson, Darrell L Sparks, Katrina K Knott, Andrew J Kouba, Scott Willard, Ashli Brown
Male giant pandas identify female sexual receptivity through the detection of olfactory cues in estrous urine. However, it is yet unknown which specific days of the female estrous cycle may provoke male sexual-social responses and a physiological readiness to mate. We hypothesized that female urine from specific days of the estrous cycle will be positively associated with specific changes in male behaviors, urinary semiochemical production, and steroidogenic activity. Experimental simultaneous choice trials were conducted in captivity with four male giant pandas during the spring breeding season and during fall...
April 11, 2018: Theriogenology
https://www.readbyqxmd.com/read/29684776/cyclic-uniaxial-compression-of-human-stem-cells-seeded-on-a-bone-biomimetic-nanocomposite-decreases-anti-osteogenic-commitment-evoked-by-shear-stress
#9
Walter Baumgartner, Isabelle Schneider, Samuel C Hess, Wendelin J Stark, Sonja Märsmann, Marzia Brunelli, Maurizio Calcagni, Paolo Cinelli, Johanna Buschmann
OBJECTIVE: Chemical supplementation of culture media to induce differentiation of adult stem cells seeded on a scaffold may mask other differentiation triggers such as scaffold stiffness, chemical composition or mechanical stimulation. However, stem cells can be differentiated towards osteoblasts without any supplementation given an appropriate osteogenic scaffold and an adequate mechanical stimulation. MATERIALS AND METHODS: Electrospun meshes of poly-lactic-co-glycolic acid and amorphous calcium phosphate nanoparticles (PLGA/aCaP) in a weight ratio of 60:40 were seeded with human adipose-derived stem cells (ASCs) and cultured in DMEM...
April 5, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29684774/hyperelastic-modeling-of-the-human-brain-tissue-effects-of-no-slip-boundary-condition-and-compressibility-on-the-uniaxial-deformation
#10
George Z Voyiadjis, Aref Samadi-Dooki
Being extremely soft, brain tissue is among the most challenging materials to be mechanically quantified. Despite recent advances in mechanical testing of ultra-soft matters, there still exists a need for robust procedures to analyze their behavior at large deformation. In this paper, it is shown how failing to taking into account the precise boundary conditions can result in substantial variation from the "assumed" ideal behavior, even for the case of simple loading conditions such as the uniaxial mode...
April 13, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29684771/coenzyme-q-10-supplementation-reduces-oxidative-stress-and-decreases-antioxidant-enzyme-activity-in-children-with-autism-spectrum-disorders
#11
Elham Mousavinejad, Mohammad Ali Ghaffari, Forough Riahi, Maryam Hajmohammadi, Zeinab Tiznobeyk, Masoumeh Mousavinejad
Antioxidants and oxidative stress can participate in pathobiochemical mechanisms of autism spectrum disorders (ASDs). The aim was to identify the effects of early CoQ10 supplementation on oxidative stress in children with ASDs. Ninety children with ASDs were included in this study, based on DSM-IV criteria and using Childhood Autism Rating Scale (CARS) scores. Concentrations of CoQ10 , MDA, total antioxidant status (TAS) assay, and antioxidant enzymes (superoxide dismutase or SOD and glutathione peroxidase or GPx) activity were determined in serum before and after 100 days of supportive therapy with CoQ10 at daily doses of 30 and 60 mg...
April 4, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29684769/implicit-negative-affect-predicts-attention-to-sad-faces-beyond-self-reported-depressive-symptoms-in-healthy-individuals-an-eye-tracking-study
#12
Charlott Maria Bodenschatz, Marija Skopinceva, Anette Kersting, Markus Quirin, Thomas Suslow
Cognitive theories of depression assume biased attention towards mood-congruent information as a central vulnerability and maintaining factor. Among other symptoms, depression is characterized by excessive negative affect (NA). Yet, little is known about the impact of naturally occurring NA on the allocation of attention to emotional information. The study investigates how implicit and explicit NA as well as self-reported depressive symptoms predict attentional biases in a sample of healthy individuals (N = 104)...
April 4, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29684768/aberrant-parasympathetic-reactivity-to-acute-psychosocial-stress-in-male-patients-with-schizophrenia-spectrum-disorders
#13
Elizabeth H Andersen, Gregory F Lewis, Aysenil Belger
Autonomic dysfunction represents a core domain of the pathophysiology of schizophrenia spectrum disorders (SCZ), with aberrant physiologic arousal underlying maladaptive social and cognitive behaviors. Antagonistic parasympathetic and sympathetic systems support autonomic flexibility to appropriately regulate arousal and respond to environmental challenges, which can be modeled using physiologic measures. SCZ patients consistently show heightened basal stress, however, their parasympathetic reactivity to an acute psychosocial stressor is poorly understood...
April 6, 2018: Psychiatry Research
https://www.readbyqxmd.com/read/29684767/individual-and-combined-efficacies-of-mild-heat-and-ultraviolet-c-radiation-against-escherichia-coli-o157-h7-salmonella-enterica-and-listeria-monocytogenes-in-coconut-liquid-endosperm
#14
Alonzo A Gabriel, Jeffrey M Ostonal, Jannelle O Cristobal, Gladess A Pagal, John Vincent E Armada
This study determined the inactivation kinetic parameters of selected pathogens in heat, ultraviolet-C and combined heat-UV-C treated coconut liquid endosperm. Separate cocktails of Escherichia coli O157:H7, Salmonella enterica serovars, and Listeria monocytogenes strains were inoculated into coconut liquid endosperm (pH 5.15, TSS 4.4o Bx, TA 0.062% malic acid, extinction coefficient (ε) at 254 nm of 0.0154 cm-1 ) for inactivation studies. Result showed that all organisms generally exhibited a log-linear heat inactivation behavior (R2 0...
April 14, 2018: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/29684764/poor-mental-health-peer-drinking-norms-and-alcohol-risk-in-a-social-network-of-first-year-college-students
#15
Shannon R Kenney, Graham T DiGuiseppi, Matthew K Meisel, Sara G Balestrieri, Nancy P Barnett
OBJECTIVE: College students with anxiety and depressive symptomatology face escalated risk for alcohol-related negative consequences. While it is well-established that normative perceptions of proximal peers' drinking behaviors influence students' own drinking behaviors, it is not clear how mental health status impacts this association. In the current study, we examined cross-sectional relationships between anxiety and depressed mood, perceived drinking behaviors and attitudes of important peers, and past month alcohol consumption and related problems in a first-semester college student social network...
April 16, 2018: Addictive Behaviors
https://www.readbyqxmd.com/read/29684751/shedding-new-light-on-disorders-of-consciousness-diagnosis-the-dynamic-functional-connectivity
#16
Antonino Naro, Alessia Bramanti, Antonino Leo, Alberto Cacciola, Alfredo Manuli, Placido Bramanti, Rocco S Calabrò
It has been proposed that awareness may depend on the highly-dynamic functional connectivity of large-scale cortico-thalamo-cortical networks. We investigated how brain connectivity changes over time in the resting state in a group of patients with chronic disorders of consciousness (DoC). To this end, we assessed dynamic functional connectivity (DFC) in the resting state by analyzing the time-dependent EEG phase synchronization in five frequency bands (δ, θ, α, β, and γ). Patients in Minimally Conscious State (MCS) showed changes in DFC matrices and topography over time (mainly in the γ range), which were significantly different from those observed in patients with Unresponsive Wakefulness Syndrome (UWS)...
April 4, 2018: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29684743/neuroendocrine-neoplasms-of-rectum-a-management-update
#17
REVIEW
Emilio Bertani, Davide Ravizza, Massimo Milione, Sara Massironi, Chiara Maria Grana, Dario Zerini, Alessandra Nella Piccioli, Giuseppe Spinoglio, Nicola Fazio
The estimated annual incidence of R-NENs is 1.04 per 100,000 persons although the real incidence may be underestimated, as not all R-NEN are systematically reported in registers. Also the prevalence has increased substantially, reflecting the rising incidence and indolent nature of R-NENs, showing the highest prevalence increase among all site of origin of NENs. The size of the tumor reveals the behavior of R-NENs where the risk for metastatic spread increases for lesions > 10 mm. Applying the WHO 2010 grading system to whole NENs originating in the gastroenteropancreatic system, R-NENs are classified as Well-Differentiated Neuroendocrine Tumors (WD-NET), which contain NET G1 and NET G2, and Poorly-Differentiated Carcinomas (PD-NEC) enclosing only G3 neoplasms for which the term carcinoma is applied...
April 6, 2018: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/29684733/facile-preparation-of-high-density-polyethylene-superhydrophobic-superoleophilic-coatings-on-glass-copper-and-polyurethane-sponge-for-self-cleaning-corrosion-resistance-and-efficient-oil-water-separation
#18
Yuanyuan Cheng, Bei Wu, Xiaofan Ma, Shixiang Lu, Wenguo Xu, Sabine Szunerits, Rabah Boukherroub
Inspired by the lotus effect and water-repellent properties of water striders' legs, superhydrophobic surfaces have been intensively investigated from both fundamental and applied perspectives for daily and industrial applications. Various techniques are available for the fabrication of artificial superoleophilic/superhydrophobic (SS). However, most of these techniques are tedious and often require hazardous or expensive equipment, which hampers their implementation for practical applications. In the present work, we used a versatile and straightforward technique based on polymer drop-casting for the preparation SS materials that can be implemented on any substrate...
April 18, 2018: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/29684730/hybrid-supramolecular-materials-constructed-from-pillar-5-arene-based-host-guest-interactions-with-photo-and-redox-tunable-properties
#19
Yong Yao, Xiaojin Wei, Yan Cai, Xianqiang Kong, Jiao Chen, Jinming Wu, Yujun Shi
Monocarboxylate functionalized pillar[5]arene 1 with excellent solubility in organic solvent was prepared. It could be abosorpted on the surface of gold nanorod spontaneously. Then, hybrid supramolecular materials were constructed from 1 stabilized gold nanorods and a linear dinitriles 2 driven by host-guest interaction. Interestingly, the hybrid supramolecular materials show dynamic near-infrared (NIR) and redox dual-responsive reversible properties. 1 H nuclear magnetic resonance (NMR) spectra, transmission electron microscopy (TEM), scanning electron microscopy (SEM), optical microscopy, and specific viscosity were used to characterize the obtained materials and the reversible behavior under external stimuli...
April 17, 2018: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/29684712/high-salt-intake-enhances-swim-stress-induced-pvn-vasopressin-cell-activation-and-active-stress-coping
#20
N C Mitchell, T L Gilman, L C Daws, G M Toney
PURPOSE: Stress contributes to many psychiatric disorders; however, responsivity to stressors can vary depending on previous or current stress exposure. Relatively innocuous heterotypic (differing in type) stressors can summate to result in exaggerated neuronal and behavioral responses. Here we investigated the ability of prior high dietary sodium chloride (salt) intake, a dehydrating osmotic stressor, to enhance neuronal and behavioral responses of mice to an acute psychogenic swim stress (SS)...
April 6, 2018: Psychoneuroendocrinology
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